Finding the Fourth Proportional to 194,144.18, 291,257.84 and 109,944.14
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Solution
The fourth proportional to 194,144.18, 291,257.84 and 109,944.14 is: 164,939.75
Step by Step Solution
- Step 1: Write the proportion equation
194,144.18 : 291,257.84 = 109,944.14 : x - Step 2: Convert to fraction form
194,144.18/291,257.84 = 109,944.14/x - Step 3: Cross multiply
194,144.18x = 291,257.84 × 109,944.14 - Step 4: Simplify right side
194,144.18x = 32,022,091,555.63 - Step 5: Solve for x
x = 32,022,091,555.63/194,144.18 - Step 6: Final answer
x = 164,939.75
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.